(b)(4).A review of the manufacturing records for the device verified the lot met all pre-release specifications.The gore® viabahn® vbx balloon expandable endoprosthesis instructions for use states if resistance is encountered upon attempted removal, do not force removal, use fluoroscopy and conventional techniques to determine and remedy the cause of resistance before proceeding.The balloon needs to be fully deflated to ensure it disengages fully from the endoprosthesis.
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The following information was reported to gore: on (b)(6) 2017 a patient underwent treatment of an internal iliac lesion with a gore® viabahn® vbx balloon expandable endoprosthesis.Access was obtained via an axillary artery through a 9fr x 70cm cook sheath.The device was advanced over a boston scientific meier wire, through a previously implanted gore® excluder® aaa endoprosthesis.When the device was near the target treatment zone, resistance was felt.It was decided this device would be removed.At this point the stent was beyond the distal end of the introducer sheath; the device felt like it was catching on something.The endoprosthesis became detached from the balloon.The endoprosthesis was then deployed right where it landed, in the common iliac artery.The delivery catheter and balloon were successfully removed from the patient.The internal iliac was coiled and embolized and the patient tolerated the procedure.
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